Integral
U+222B · decimal 8747 · Mathematical Operators
Every way to write it
7 forms∫
A named entity — readable, and safe in any HTML document without declaring a charset.
∫
The numeric form works everywhere a named one does, and exists for every character.
\222B
For a content property in a ::before or ::after rule. No semicolon, and mind the trailing space.
\u222B
Valid in a JavaScript or JSON string literal, so it survives files and pipelines that are not UTF-8 clean.
\u222B
The escape for a Python string literal.
%E2%88%AB
Percent-encoded UTF-8, for a query string or a path segment.
E2 88 AB
3 bytes on the wire. Seeing these as separate garbled characters means something decoded them as single-byte text.
Typing it without copying
system pickerControl + Command + Space, then search integral
Character Map or Alt + 8747